Bailer for cleaning oil-wells



JAMES S. MOODY, OF SUMMIT CITY, PENNSYLVANIA.

BAILER FOR CLEANING OIL WELLS.

SPECIFICATION forming part of Letters Patent No. 298,876, dated May 20, 1884.

Application filed October 11, 1883. (No model.)

To all whom it may concern.-

Be it known that I, JAMns S. MoonY, of Summit City, in the county of McKean and State of Pennsylvania, have invented certain new and useful Improvements in Bailers for Cleaning Oilells, of which the following is a full, clear, and exact description.

The object of my invention is to provide certain new and useful improvements in bail- IO ers for cleaning oil-wells, whereby a well can be cleaned more rapidly and thoroughly than with the usual bailers.

Reference is to be had to the accompanying drawings, forming part of this specification,

1 in which similar letters of reference indicate corresponding parts in all the figures.

Figure 1 is a longitudinal elevation of my improved bailer and a section of awell. Fig. 2 is a detail longitudinal sectional view of the upper part of the same. Fig. 3 is a longitudinal sectional view of part of the upper portion of the same, on a larger scale; and Fig. 4, a longitudinal sectional View of the lower part of the same and of a well, on a larger scale.

The bailer Ais constructed of a tubein the usual manner, and is provided at its lower end with the check-valve B. Upon its upper end a neck, 0, of steel, is secured, as shown, by

0 an internally screw-threaded collar, 0, which neck is bored out centrally, the lower end of the bore forming a seat for a downwardly opening Valve, and its upper end being contracted to the size of the valve-stem. Upon opposite sides of the neck 0 grooves G are formed, of such depth as to communicate with the bore of the neck. An iron rod, E, about six feet in length, has its upper portion for about two feet reduced in size to form a valve, F, and a stem, E, fitting loosely in the smaller portion of the bore of the neck O, the lower or longer portion of the rod making a sinker bar or weight for jarring the bailer loose should it bind in the bottom of the well. The drillline is secured to the upper end of the stem E, and the sand line is entirely dispensed with. The bailer is worked up and down in the usual manner. When the bailer is being raised the top opening in the same is closed by the valve F; but when the bailer drops the said valve opens, and the top opening is opened for a time, allowing the gas in the bailer to escape, and thus the sand, mud, &c., can rise in the bailer up to the top of the same.

An oil-well that needs cleaning always contains gases and fluids, which prevent the com mon bailers from being entirely filled by forcing the sand and mud up through the end out of the top of the bailer, so that the same can only be half or quarter full. These difficulties are removed by my improved bailer.

Having thus fully described my invention, I claim as new and desire to secure by Letters latent- 1. A11 oil-well bailer having at its upper end a valve closing upwardly against its seat, and provided with a stem connected with the drill-line, whereby a sand-line is rendered on necessary, the gas is allowed to escape, and the bailer may be entirely filled before it is drawn out of the well, as described.

2. In combination with the top of an oilwell bailer, a tubular neck, 0, having a conical valve-seat at its bottom, from thence a straight. bore nearly to the top, and there drawn in to fit avalve-stem, as shown and described.

3. An oil-well bailer having a valve-seat, a drop-valve, and a drill-line stem or connection, combined with a detachable screw-collar, C, as shown and described.

JAMES S. MOODY.

\Vitnesses:

JOHN W. NORTON, H. E. KOESTER. 

